Rotary hemming device of bead ring rubber covering machine

Abstract

The invention relates to a rotary hemming device of a bead ring rubber wrapping machine, which is characterized in that it includes a front positioning support roller, a front positioning pressure roller, a first main hemming roller group, a second main hemming roller group, a third main hemming roller The side roller group and the rear positioning support roller group; the front positioning support roller and the rear positioning support roller group are installed on the frame, and the front positioning support roller and the rear positioning support roller group are used to hang the traveler; the front positioning pressure roller is set on Above the front positioning support roller, the front positioning pressure roller is connected with the front positioning compression cylinder, and the front positioning pressure roller cooperates with the front positioning support roller under the action of the front positioning compression cylinder; the first main hemming roller group, the second main hemming roller group The roller group and the third main hemming roller group are sequentially arranged between the front positioning support roller and the rear positioning support roller group from front to rear along the circumferential direction of the traveler. The invention has an ingenious and reasonable structure, can directly wrap hard apex rubber rings on the steel traveler and closely fit them, can effectively overcome the defects of the structure of the nylon cord wrapped around the steel traveler, and improve the service performance of the tire.

Description

technical field [0001] The invention relates to a rubber wrapping device for a tire traveler, in particular to a rotary wrapping device of a traveler rubber wrapping machine, which is suitable for the rubber traveler operation of an all-steel radial tire and belongs to tire mechanical equipment technology field. Background technique [0002] my country has become a big country in tire production, but the high-end truck and bus tire market has been occupied by large foreign tire companies. Through the structural analysis of the dissected tire, it was found that the foreign high-end tire spigot structure adopts the structure of hard apex ring-wound bead ring, while the structure of nylon cord-wrapped bead ring is generally used in China. For problems such as cracks in the mouth, there is only a traveler wrapping cloth between the traveler and the carcass without glue, and the traveler is likely to break the carcass. However, the current foreign bead ring lagging equipment ha...

AI Technical Summary

Problems solved by technology

Through the structural analysis of the dissected tire, it was found that the foreign high-end tire spigot structure adopts the structure of hard apex ring-wound bead ring, while the structure of nylon cord-wrapped bead ring is generally used in China. There are problems such as cracks in the mouth, there is only a traveler cloth between the traveler and the carcass, and there is a lack of glue, and the traveler is likely to break the carcass

However, the current foreign bead ring lagging equipment has complex structures and high procurement costs, which are not suitable for large-scale promotion and application.

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